The present invention relates to a mobile communication terminal with data automatic transmission function and operation method thereof. The present invention is composed of a communication module transmitting data through internet or mobile communication net; a control part allowing the data stored in the memory to be automatically transmitted to the external device of the internet or mobile communication net through the communication module. The present invention is capable of eliminating the insufficient of storage space of the small-capacity memory so as to increase utilization ratio and can execute searching, downloading and repeated transmission to the data which can be transmitted, that can be used for data backup. Thus, the data management is easy and the user convenience is improved. |